SED-300ZLS-N — 5-Effect Tubular Multi-Effect Water-for-Injection Still
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SED-300ZLS-N is a 5-effect tubular multi-effect water-for-injection (WFI) still, co-developed with Prof. Lin Zaiqi (inventor of China's multi-effect distillation still, Dalian University of Technology) and incorporating
مبدأ العمل
Five-effect falling-film distillation: industrial steam enters Effect I and heats pre-treated feed water, vaporising pure steam; pure steam from Effect I serves as the heat source for Effect II, cascading through Effects III–V. Each effect operates at successively lower pressure and temperature, maximising energy recovery(>20% steam savings). Distillate is condensed in a high-temperature condenser then a low-temperature condenser. A conductivity sensor(CCT8301A, 316L) continuously monitors the distillate outlet; off-spec water is automatically diverted. Xianko PLC + 7-inch touchscreen provides full-automatic unattended operation with alarms for low/high water level, low/medium/high pressure.